| if_plip.c (257176) | if_plip.c (271849) |
|---|---|
| 1/*- 2 * Copyright (c) 1997 Poul-Henning Kamp 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * From Id: lpt.c,v 1.55.2.1 1996/11/12 09:08:38 phk Exp 27 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1997 Poul-Henning Kamp 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * From Id: lpt.c,v 1.55.2.1 1996/11/12 09:08:38 phk Exp 27 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: head/sys/dev/ppbus/if_plip.c 257176 2013-10-26 17:58:36Z glebius $"); | 30__FBSDID("$FreeBSD: head/sys/dev/ppbus/if_plip.c 271849 2014-09-19 03:51:26Z glebius $"); |
| 31 32/* 33 * Parallel port TCP/IP interfaces added. I looked at the driver from 34 * MACH but this is a complete rewrite, and btw. incompatible, and it 35 * should perform better too. I have never run the MACH driver though. 36 * 37 * This driver sends two bytes (0x08, 0x00) in front of each packet, 38 * to allow us to distinguish another format later. --- 532 unchanged lines hidden (view full) --- 571 572 len = bp - sc->sc_ifbuf; 573 if (len <= CLPIPHDRLEN) 574 goto err; 575 576 sc->sc_iferrs = 0; 577 578 len -= CLPIPHDRLEN; | 31 32/* 33 * Parallel port TCP/IP interfaces added. I looked at the driver from 34 * MACH but this is a complete rewrite, and btw. incompatible, and it 35 * should perform better too. I have never run the MACH driver though. 36 * 37 * This driver sends two bytes (0x08, 0x00) in front of each packet, 38 * to allow us to distinguish another format later. --- 532 unchanged lines hidden (view full) --- 571 572 len = bp - sc->sc_ifbuf; 573 if (len <= CLPIPHDRLEN) 574 goto err; 575 576 sc->sc_iferrs = 0; 577 578 len -= CLPIPHDRLEN; |
| 579 sc->sc_ifp->if_ipackets++; 580 sc->sc_ifp->if_ibytes += len; | 579 if_inc_counter(sc->sc_ifp, IFCOUNTER_IPACKETS, 1); 580 if_inc_counter(sc->sc_ifp, IFCOUNTER_IBYTES, len); |
| 581 top = m_devget(sc->sc_ifbuf + CLPIPHDRLEN, len, 0, sc->sc_ifp, 582 0); 583 if (top) { 584 ppb_unlock(ppbus); 585 if (bpf_peers_present(sc->sc_ifp->if_bpf)) 586 lptap(sc->sc_ifp, top); 587 588 M_SETFIB(top, sc->sc_ifp->if_fib); --- 36 unchanged lines hidden (view full) --- 625 end: 626 len = bp - sc->sc_ifbuf; 627 if (len <= LPIPHDRLEN) 628 goto err; 629 630 sc->sc_iferrs = 0; 631 632 len -= LPIPHDRLEN; | 581 top = m_devget(sc->sc_ifbuf + CLPIPHDRLEN, len, 0, sc->sc_ifp, 582 0); 583 if (top) { 584 ppb_unlock(ppbus); 585 if (bpf_peers_present(sc->sc_ifp->if_bpf)) 586 lptap(sc->sc_ifp, top); 587 588 M_SETFIB(top, sc->sc_ifp->if_fib); --- 36 unchanged lines hidden (view full) --- 625 end: 626 len = bp - sc->sc_ifbuf; 627 if (len <= LPIPHDRLEN) 628 goto err; 629 630 sc->sc_iferrs = 0; 631 632 len -= LPIPHDRLEN; |
| 633 sc->sc_ifp->if_ipackets++; 634 sc->sc_ifp->if_ibytes += len; | 633 if_inc_counter(sc->sc_ifp, IFCOUNTER_IPACKETS, 1); 634 if_inc_counter(sc->sc_ifp, IFCOUNTER_IBYTES, len); |
| 635 top = m_devget(sc->sc_ifbuf + LPIPHDRLEN, len, 0, sc->sc_ifp, 636 0); 637 if (top) { 638 ppb_unlock(ppbus); 639 if (bpf_peers_present(sc->sc_ifp->if_bpf)) 640 lptap(sc->sc_ifp, top); 641 642 M_SETFIB(top, sc->sc_ifp->if_fib); 643 644 /* mbuf is free'd on failure. */ 645 netisr_queue(NETISR_IP, top); 646 ppb_lock(ppbus); 647 } 648 } 649 return; 650 651err: 652 ppb_wdtr(ppbus, 0); 653 lprintf("R"); | 635 top = m_devget(sc->sc_ifbuf + LPIPHDRLEN, len, 0, sc->sc_ifp, 636 0); 637 if (top) { 638 ppb_unlock(ppbus); 639 if (bpf_peers_present(sc->sc_ifp->if_bpf)) 640 lptap(sc->sc_ifp, top); 641 642 M_SETFIB(top, sc->sc_ifp->if_fib); 643 644 /* mbuf is free'd on failure. */ 645 netisr_queue(NETISR_IP, top); 646 ppb_lock(ppbus); 647 } 648 } 649 return; 650 651err: 652 ppb_wdtr(ppbus, 0); 653 lprintf("R"); |
| 654 sc->sc_ifp->if_ierrors++; | 654 if_inc_counter(sc->sc_ifp, IFCOUNTER_IERRORS, 1); |
| 655 sc->sc_iferrs++; 656 657 /* 658 * We are not able to send receive anything for now, 659 * so stop wasting our time 660 */ 661 if (sc->sc_iferrs > LPMAXERRS) { 662 if_printf(sc->sc_ifp, "Too many errors, Going off-line.\n"); --- 100 unchanged lines hidden (view full) --- 763 /* Go quiescent */ 764 ppb_wdtr(ppbus, 0); 765 766 err = 0; /* No errors */ 767 768 nend: 769 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 770 if (err) { /* if we didn't timeout... */ | 655 sc->sc_iferrs++; 656 657 /* 658 * We are not able to send receive anything for now, 659 * so stop wasting our time 660 */ 661 if (sc->sc_iferrs > LPMAXERRS) { 662 if_printf(sc->sc_ifp, "Too many errors, Going off-line.\n"); --- 100 unchanged lines hidden (view full) --- 763 /* Go quiescent */ 764 ppb_wdtr(ppbus, 0); 765 766 err = 0; /* No errors */ 767 768 nend: 769 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 770 if (err) { /* if we didn't timeout... */ |
| 771 ifp->if_oerrors++; | 771 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); |
| 772 lprintf("X"); 773 } else { | 772 lprintf("X"); 773 } else { |
| 774 ifp->if_opackets++; 775 ifp->if_obytes += m->m_pkthdr.len; | 774 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 775 if_inc_counter(ifp, IFCOUNTER_OBYTES, m->m_pkthdr.len); |
| 776 if (bpf_peers_present(ifp->if_bpf)) 777 lptap(ifp, m); 778 } 779 780 m_freem(m); 781 782 if (!(ppb_rstr(ppbus) & CLPIP_SHAKE)) { 783 lprintf("^"); --- 25 unchanged lines hidden (view full) --- 809 err = 0; /* no errors were encountered */ 810 811end: 812 --cp; 813 ppb_wdtr(ppbus, txmitl[*cp] ^ 0x17); 814 815 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 816 if (err) { /* if we didn't timeout... */ | 776 if (bpf_peers_present(ifp->if_bpf)) 777 lptap(ifp, m); 778 } 779 780 m_freem(m); 781 782 if (!(ppb_rstr(ppbus) & CLPIP_SHAKE)) { 783 lprintf("^"); --- 25 unchanged lines hidden (view full) --- 809 err = 0; /* no errors were encountered */ 810 811end: 812 --cp; 813 ppb_wdtr(ppbus, txmitl[*cp] ^ 0x17); 814 815 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 816 if (err) { /* if we didn't timeout... */ |
| 817 ifp->if_oerrors++; | 817 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); |
| 818 lprintf("X"); 819 } else { | 818 lprintf("X"); 819 } else { |
| 820 ifp->if_opackets++; 821 ifp->if_obytes += m->m_pkthdr.len; | 820 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 821 if_inc_counter(ifp, IFCOUNTER_OBYTES, m->m_pkthdr.len); |
| 822 if (bpf_peers_present(ifp->if_bpf)) 823 lptap(ifp, m); 824 } 825 826 m_freem(m); 827 828 if (ppb_rstr(ppbus) & LPIP_SHAKE) { 829 lprintf("^"); --- 25 unchanged lines hidden --- | 822 if (bpf_peers_present(ifp->if_bpf)) 823 lptap(ifp, m); 824 } 825 826 m_freem(m); 827 828 if (ppb_rstr(ppbus) & LPIP_SHAKE) { 829 lprintf("^"); --- 25 unchanged lines hidden --- |